Tire sidewall



FIG. 1 is a perspective view of a tire sidewall showing our new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is an enlarged fragmentary front elevational view thereof.

In the drawings, the broken lines showing of the tire tread, inner bead and the peripheral boundary between the tire tread and the sidewall in FIGS. 1 through 3 depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental Design for a tire sidewall, as shown and described. 